Made the gravatar change link open in a new window/tab

Added tests to the authenication spec to ensure that 'logged-in-user' links were not showing up when a user was not logged in.

Added spec to ensure random punters couldn't mass assign themselves admin priviledges
Stopped logged in users from accessing the 'new' or 'create' actions in the Users controller

Refractored the new/edit user forms into the one partial
Generated files for the Micropost model. Includes migration, spec and model.
Created many to one association between Microposts and Users.

Added some basic tests to the Micropost spec
Added micropost partial, which is rendered via the User show view/action.

Added tests for micropost partial.

Added :micropost to the Factory file, to allow fake microposts to be created for testing purposes.
Added styling to the microposts

Added a rake task to add spam microposts to the first six users.
Created Micropost Controller, with a signed_in_user filter and a create and destroy action.

Created tests to ensure the signed_in_user filter was protecting those actions

Moved the signed_in_user method out of the User Controller and into the Sessions Helper, so that it could be accessed by multiple controllers

Added two micropost routes, create and destroy
Fleshed out the actions in the Micropost controller, including the create and destroy actions and a new filter for the destroy action.

Added some stuff to the home page controller, to allow feeds to pop up there is a user is logged in.

Added several partials, includes _feed, _feed_item, _user_info and _micropost_form, to allow users to see their feed and add microposts...
Merge pull request #11 from thomasgwatson/chap10

Chap10